19920128

素因数分解:

$2^8\times {\mathrm{77813}}^1$

素因数の和:77829

約数の個数: 18

約数和(自身を含む): 39762954

約数和(自身を除く): 19842826

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 77813, 155626, 311252, 622504, 1245008, 2490016, 4980032, 9960064, 19920128]

約数ペア:

[(1, 19920128), (2, 9960064), (4, 4980032), (8, 2490016), (16, 1245008), (32, 622504), (64, 311252), (128, 155626), (256, 77813)]